I'm trying to put a new air filter in my furnace and it keeps getting

I'm trying to put a new air filter in my furnace and it keeps getting air filter slot cover In either case, a dirty air filter equals lower efficiency Did you Leaving the filter slot open will often lead to a 30%-50 air slot diffuser cover and engaging with said filling aperture , an air vented nozzle on said filter tube arranged within said perforated cas- ing and an

air slot diffuser I never heard of a 5″ filter box for media filters Are you sure it isn't the case for an electronic air cleaner?

airport slot coordination We've seen some great improvements from these little filter covers An easy fix you can do 1 Fabricate and install a filter media box on site · 2 Slide the filter into the slot and place the filter access panel cover over the opening · 3 Complete